Need a simple circuit to amplify PC audio output.

WingoAgency

Can some one recommand me a circuit(preferrably with part no.) to amplify the PC audio signal.· I want to raise the signal level similar to a DVD player or CD player line output.

Many·thanks·

WingoAgency

Do you guys think the following chip is good for this application?

http://cache.national.com/ds/LM/LM386.pdf

parts-man73

That's an excellent choice for a small amp. A quick Google search and I found the following circuit perhaps this will help you -

www.reprise.com/host/circuits/lm386.asp

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Brian

uController.com - home of SpinStudio

WingoAgency

Thanks.
Now I need google the difference beweteen DVD/CD Line Output level and the PC speaker output level. Hope it's clsoe the x20 range.

Beau Schwabe

The "Standard" for line level audio output is supposed to be 1Vpk-pk

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Beau Schwabe

IC Layout Engineer
Parallax, Inc.